Supermoon

The moon is seen in its waxing gibbous stage as it rises behind people sitting on a basket on a ferris wheel at the New Jersey State Fair, Saturday, June 22, 2013, in East Rutherford, N.J. The moon, which will reach its full stage on Sunday, is expected to be 13.5 percent closer to earth during a phenomenon known as supermoon. (AP Photo/Julio Cortez)

The moon is seen in its waxing gibbous stage as it rises behind the helicopter from the original Batman television show, which people can ride at the New Jersey State Fair, Saturday, June 22, 2013, in East Rutherford, N.J. The moon, which will reach its full stage on Sunday, is expected to be 13.5 percent closer to earth during a phenomenon known as supermoon. (AP Photo/Julio Cortez)

A "supermoon" rises behind the Home Place clock tower in Prattville, Ala., Saturday, June 22, 2013. The biggest and brightest full moon of the year graces the sky early Sunday as our celestial neighbor swings closer to Earth than usual. While the moon will appear 14 percent larger than normal, sky watchers won't be able to notice the difference with the naked eye. Still, astronomers say it's worth looking up and appreciating the cosmos. (AP Photo/Dave Martin)

A "supermoon" rises behind roadside plants growing in Prattville, Ala., Saturday, June 22, 2013. The biggest and brightest full moon of the year graces the sky early Sunday as our celestial neighbor swings closer to Earth than usual. While the moon will appear 14 percent larger than normal, sky watchers won't be able to notice the difference with the naked eye. Still, astronomers say it's worth looking up and appreciating the cosmos. (AP Photo/Dave Martin)

A full moon rises beside the Bank of America corporate headquarters in downtown Charlotte, N.C., Saturday, June 22, 2013. The larger than normal moon called the "Supermoon" happens only once this year as the moon on its elliptical orbit is at its closest point to earth.(AP Photo/Chuck Burton)

A full moon rises beside an office building in downtown Charlotte, N.C., Saturday, June 22, 2013. The larger than normal moon called the "Supermoon" happens only once this year as the moon on its elliptical orbit is at its closest point to earth.(AP Photo/Chuck Burton)

A "supermoon" rises behind roadside plants growing in Prattville, Ala., Saturday, June 22, 2013. The biggest and brightest full moon of the year graces the sky early Sunday as our celestial neighbor swings closer to Earth than usual. While the moon will appear 14 percent larger than normal, sky watchers won't be able to notice the difference with the naked eye. Still, astronomers say it's worth looking up and appreciating the cosmos. (AP Photo/Dave Martin)

A "supermoon" rises behind the Home Place clock tower in Prattville, Ala., Saturday, June 22, 2013. The biggest and brightest full moon of the year graces the sky early Sunday as our celestial neighbor swings closer to Earth than usual. While the moon will appear 14 percent larger than normal, sky watchers won't be able to notice the difference with the naked eye. Still, astronomers say it's worth looking up and appreciating the cosmos. (AP Photo/Dave Martin)

A full moon rises behind the Jefferson Memorial in Washington Saturday, June 22, 2013. The larger than normal moon called the "Supermoon" happens only once this year as the moon on its elliptical orbit is at its closest point to earth. (AP Photo/J. David Ake)

A full moon rises through a hazy sky over street lamps, Saturday, June 22, 2013, in Baltimore. The moon, which will reach its full stage on Sunday, is expected to be 13.5 percent closer to earth during a phenomenon known as supermoon. (AP Photo/Patrick Semansky)